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Merge pull request #129 from victorhck/master

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remove repetitive part
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Igor Irianto 2021-11-08 17:16:48 -06:00 committed by GitHub
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ch14_external_commands.md
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@ -137,7 +137,7 @@ hello vim
The breakdown:
- `.!` executes the filter command on the current line.
- `!tr '[:lower:]' '[:upper:]'` calls the `tr` command to replace all lowercase characters with uppercase ones.
- `tr '[:lower:]' '[:upper:]'` calls the `tr` command to replace all lowercase characters with uppercase ones.
It is imperative to pass a range to run the external command as a filter. If you try running the command above without the `.` (`:!tr '[:lower:]' '[:upper:]'`), you will see an error.